@article{ItohMarwan2013,
  author    = {N. Itoh and Norbert Marwan},
  title     = {An extended singular spectrum transformation (SST) for the investigation of Kenyan precipitation data},
  journal   = {Nonlinear processes in geophysics},
  volume    = {20},
  number    = {4},
  pages     = {467 -- 481},
  doi       = {10.5194/npg-20-467-2013},
  year      = {2013},
}